The center of mass of the Earth-Moon system ________.
A. lies beneath Earth's surface on a line that joins the centers of Earth and the Moon
B. is between the Earth and Moon on the line through their centers
C. describes the true orbit of the Earth-Moon system about the Sun
D. lies beneath Earth's surface on a line that joins the centers of Earth and the Moon and describes the true orbit of the Earth-Moon system about the Sun
E. lies beneath Earth's surface on a line that joins the centers of Earth and the Moon, describes the true orbit of the Earth-Moon system about the Sun, and is between the Earth and Moon on the line through their centers
Answer: D
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